<html>
<head>
<script>
function activate()
{
	var objNavigator = parent.navigatorGetObject();
	//Get the items array 
	var items = objNavigator .aItems
	// set one of the items to active
	for(var i=0;i<items.length;i++) {
		var item = items[i];
		if(item.text =="Item 2") {
			item.active = true;
			item.url = "http://www.pintexx.de";
		} else {
			item.active = false;
		}
	}
	// create
	objNavigator.create();
}
</script>
</head>
<body>
<input type="button" value="Activate" onclick="activate()">
</body>
</html>